Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5222479 | Oxygen self-rescuer apparatus | Lothar Brauer, Klaus-Dieter Dahrendorf, Volker Hunnebeck, Klaus Haertle, Werner Mascher +4 more | 1993-06-29 |
| 4375768 | Electronic circuit for processing the measured values from a vortex sequence produced by a Karman vortex path | Martin Beck, Wolfgang Hoht | 1983-03-08 |